content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------------
   * NumberCellRenderer.java
   * -----------------------
   * (C) Copyright 2000-2013, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes (from 26-Oct-2001)
   * --------------------------
   * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
   * 11-Mar-2002 : Updated import statements (DG);
   * 17-Jun-2012 : Moved from JCommon to JFreeChart (DG);
   *
   */
  
  package org.jfree.chart.ui;
  
  import java.awt.Component;
  import java.text.NumberFormat;
  import javax.swing.JTable;
  import javax.swing.SwingConstants;
  import javax.swing.table.DefaultTableCellRenderer;
  
  /**
   * A table cell renderer that formats numbers with right alignment in each cell.
   */
  public class NumberCellRenderer extends DefaultTableCellRenderer {
  
      private static final long serialVersionUID = 6141158525258247290L;
  
      /**
       * Default constructor - builds a renderer that right justifies the
       * contents of a table cell.
       */
      public NumberCellRenderer() {
          super();
          setHorizontalAlignment(SwingConstants.RIGHT);
      }
  
      /**
       * Returns itself as the renderer. Supports the TableCellRenderer interface.
       *
       * @param table  the table.
       * @param value  the data to be rendered.
       * @param isSelected  a boolean that indicates whether or not the cell is
       *                    selected.
       * @param hasFocus  a boolean that indicates whether or not the cell has
       *                  the focus.
       * @param row  the (zero-based) row index.
       * @param column  the (zero-based) column index.
       *
       * @return the component that can render the contents of the cell.
       */
      @Override
      public Component getTableCellRendererComponent(final JTable table,
              final Object value, final boolean isSelected,
              final boolean hasFocus, final int row, final int column) {
  
          setFont(null);
          final NumberFormat nf = NumberFormat.getNumberInstance();
          if (value != null) {
            setText(nf.format(value));
          }
          else {
            setText("");
          }
          if (isSelected) {
              setBackground(table.getSelectionBackground());
          }
          else {
              setBackground(null);
          }
          return this;
      }
  
  }
  